Respiratory mask



FIG. 1 is a front perspective view of a respiratory mask according toour new ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a right side view thereof, with the left side view thereofbeing a mirror image.

Where included, the use of stippling and shading is provided to showcontrast in materials. The claimed design is not limited to theillustrative use of stippling and/or shading.

Where included, broken lines represent environmental structure and donot form a part of the claimed design.

CLAIM The ornamental design for a respiratory mask, as shown anddescribed.